2-Amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one

2-Amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
Names

IUPAC name [(2R,3S,4R,5R)-5-[(2-amino-5-formamido-4-oxo-1H-pyrimidin-6-yl)amino]-3,4-dihydroxyoxolan-2-yl]methyl dihydrogen phosphate
Other names 2-amino-5-formylamino-6-ribo-furanosylamino-4(3H)-pyrimidinone monophosphate; 2-amino-5-formylamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine
Identifiers
CAS Number	88299-87-0
3D model (Jmol)	Interactive image
ChemSpider	4574141
PubChem	5460646
InChI InChI=1S/C10H16N5O9P/c11-10-14-7(4(12-2-16)8(19)15-10)13-9-6(18)5(17)3(24-9)1-23-25(20,21)22/h2-3,5-6,9,17-18H,1H2,(H,12,16)(H2,20,21,22)(H4,11,13,14,15,19)/t3-,5-,6-,9-/m1/s1 Key: VKMYTDDVUBGBDH-UUOKFMHZSA-N InChI=1/C10H16N5O9P/c11-10-14-7(4(12-2-16)8(19)15-10)13-9-6(18)5(17)3(24-9)1-23-25(20,21)22/h2-3,5-6,9,17-18H,1H2,(H,12,16)(H2,20,21,22)(H4,11,13,14,15,19)/t3-,5-,6-,9-/m1/s1 Key: VKMYTDDVUBGBDH-UUOKFMHZBK
SMILES C([C@@H]1[C@H]([C@H]([C@@H](O1)NC2=C(C(=O)N=C(N2)N)NC=O)O)O)OP(=O)(O)O
Properties
Chemical formula	C₁₀H₁₆N₅O₉P
Molar mass	381.24 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

2-Amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one is a metabolite in the riboflavin biosynthesis pathway. It is formed from GTP by the enzyme GTP cyclohydrolase IIa which catalyzes the hydrolysis of the 8,9 bond in the guanine group and loss of the beta and gamma phosphate groups.^[1] The molecule is deformylated by 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate deformylase as the second step in the archaeal riboflavin biosynthetic pathway.^[2]

References

↑ Graham DE, Xu H, White RH (2002). "A member of a new class of GTP cyclohydrolases produces formylaminopyrimidine nucleotide monophosphates". Biochemistry. 41 (50): 15074–84. doi:10.1021/bi0268798. PMID 12475257.
↑ Grochowski, L.L.; Xu, H. & White, R.H. (2009). "An iron(II) dependent formamide hydrolase catalyzes the second step in the archaeal biosynthetic pathway to riboflavin and 7,8-didemethyl-8-hydroxy-5-deazariboflavin". Biochemistry. 48: 4181–4188. doi:10.1021/bi802341p. PMID 19309161.

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